54221224636 has 6 divisors (see below), whose sum is σ = 94887143120. Its totient is φ = 27110612316.

The previous prime is 54221224523. The next prime is 54221224639. The reversal of 54221224636 is 63642212245.

It is a junction number, because it is equal to n+sod(n) for n = 54221224595 and 54221224604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54221224639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6777653076 + ... + 6777653083.

Almost surely, 2^54221224636 is an apocalyptic number.

It is an amenable number.

54221224636 is a deficient number, since it is larger than the sum of its proper divisors (40665918484).

54221224636 is a wasteful number, since it uses less digits than its factorization.

54221224636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13555306163 (or 13555306161 counting only the distinct ones).

The product of its digits is 138240, while the sum is 37.

The spelling of 54221224636 in words is "fifty-four billion, two hundred twenty-one million, two hundred twenty-four thousand, six hundred thirty-six".